138293680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{35279}}^1$

素因数の和:35306

約数の個数: 60

約数和(自身を含む): 374038560

約数和(自身を除く): 235744880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 35279, 70558, 141116, 176395, 246953, 282232, 352790, 493906, 564464, 705580, 987812, 1234765, 1411160, 1728671, 1975624, 2469530, 2822320, 3457342, 3951248, 4939060, 6914684, 8643355, 9878120, 13829368, 17286710, 19756240, 27658736, 34573420, 69146840, 138293680]

約数ペア:

[(1, 138293680), (2, 69146840), (4, 34573420), (5, 27658736), (7, 19756240), (8, 17286710), (10, 13829368), (14, 9878120), (16, 8643355), (20, 6914684), (28, 4939060), (35, 3951248), (40, 3457342), (49, 2822320), (56, 2469530), (70, 1975624), (80, 1728671), (98, 1411160), (112, 1234765), (140, 987812), (196, 705580), (245, 564464), (280, 493906), (392, 352790), (490, 282232), (560, 246953), (784, 176395), (980, 141116), (1960, 70558), (3920, 35279)]